Which accurately describes a letter written during the time a historical event occurred?

A letter written during the time a historical event occurred would be considered a primary source, as opposed to secondary source, since it gives the point of view of someone who lived through the event in. I think

global and free trade

the sugar act, also known as the american revenue act, was a revenue-raising act passed by the british parliament of great britain in april of 1764. the earlier molasses act of 1733, which had imposed a tax of six pence per gallon of molasses, had never been effectively collected due to colonial resistance and evasion.